[INFO] crate ixlist 0.1.0 is already in cache
[INFO] extracting crate ixlist 0.1.0 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ixlist/0.1.0
[INFO] extracting crate ixlist 0.1.0 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ixlist/0.1.0
[INFO] validating manifest of ixlist-0.1.0 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ixlist-0.1.0 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ixlist-0.1.0
[INFO] finished frobbing ixlist-0.1.0
[INFO] frobbed toml for ixlist-0.1.0 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ixlist/0.1.0/Cargo.toml
[INFO] started frobbing ixlist-0.1.0
[INFO] finished frobbing ixlist-0.1.0
[INFO] frobbed toml for ixlist-0.1.0 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ixlist/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ixlist-0.1.0 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ixlist/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e5c483029804b5025491d3a3171835a9d6a8ac1af378476fcab6d1dd2b5fde1
[INFO] running `"docker" "start" "-a" "2e5c483029804b5025491d3a3171835a9d6a8ac1af378476fcab6d1dd2b5fde1"`
[INFO] [stderr]     Checking ixlist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> benches/bench1.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for _ in (0..n) {
[INFO] [stderr]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> benches/bench1.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for _ in (0..n) {
[INFO] [stderr]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> benches/bench1.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for _ in (0..n) {
[INFO] [stderr]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> benches/bench1.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for _ in (0..n) {
[INFO] [stderr]    |                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> benches/bench1.rs:90:14
[INFO] [stderr]    |
[INFO] [stderr] 90 |     for _ in (0..n) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> benches/bench1.rs:110:14
[INFO] [stderr]     |
[INFO] [stderr] 110 |     for _ in (0..n) {
[INFO] [stderr]     |              ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> benches/bench1.rs:131:14
[INFO] [stderr]     |
[INFO] [stderr] 131 |     for _ in (0..n) {
[INFO] [stderr]     |              ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "2e5c483029804b5025491d3a3171835a9d6a8ac1af378476fcab6d1dd2b5fde1"`
[INFO] running `"docker" "rm" "-f" "2e5c483029804b5025491d3a3171835a9d6a8ac1af378476fcab6d1dd2b5fde1"`
[INFO] [stdout] 2e5c483029804b5025491d3a3171835a9d6a8ac1af378476fcab6d1dd2b5fde1